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Introductory Physics Homework Help
Finding direction of induced current
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[QUOTE="Simon Bridge, post: 4742164, member: 367532"] The answers depend on what is [i]meant[/i] by "right side" etc. These descriptions seem to be specific to your course. The rule you want is that the current will flow so as to set up a magnetic field that opposes the motion of the magnet. Moving the loop one way is the same as moving the magnet the other way. So - if you have a loop in the x-y plane, centered at the origin, so is follows x^2+y^2=r^2 and r is the radius of the loop... Looking down the +z axis at the loop, a magnet placed in position z>0 will be "above" and if it moves from -x values to +x values, then it moves from left to right. If it goes south-pole downwards, then the magnetic field is pointing "upwards". As the magnet crosses into the loop, the field inside the loop gets "more south". What pole is needed to oppose that motion? [/QUOTE]
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Introductory Physics Homework Help
Finding direction of induced current
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